Stave for cement corncribs



' H. B. JONES.

STAVE FOR CEMENT CORNCRIBS.

APPLICAHON FILED [13.14. 1921- EASTACQQQ I 2 SHEETSSHEET l.

Patented Dec. 5, 1922.

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A ZTORNE S.

H. B. JONES STAVE FOR CEMENT CORNCRIBS.

APPLICAHON FILED FEB. 14, 1921.

1 37 4 g% Patented Dec. 5, 1922.

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Application filed February 14, 1921. semi No. 444,642).

Cement Corncribs, of which the following is a specification.

My invention relates to that class of staves which are to be used incorn cribs or other structures requiring'ventilation.

The object of my present invention is to provide a ventilated stavewhich will exclude the rain and snow and destructive rodents, but whichwill be exceptionally strong by reason of its peculiar construction,inasmuch as it has strengthening Webs extending both vertically andhorizontally intermediate the ventilating apertures.

My means of accomplishing the foregoing objects may be more readilyunderstood by having reference to the accompanying drawings which arehereunto annexed and are a part of this specification, in which Fig. 1is a side elevation of a stave con structed in accordance with myimprovement. Fig. 2 is an end elevation partly in section, of the same.

Fig. 3 is a fragmentary portion of a wall of a corn crib constructedwith this form of my invention.

F 4 is a fragmentary detail view of a stave having a modified form ofaperture.

Fig. 5 is a sectional view of the same.

Fig. 6 is a fragmentary detail view of a portion of a wall of a corncrib with this form of aperture.

Fig. 7 shows a stave having a modified 40 form of aperture.

Fig. 8 is a sectional view of the said fragmentary portion of a stave.

' Similar reference numerals refer to similar parts throughout theentire description. As shown in the drawings, the stave 1 is providedwith a plurality of elongated apertures 2 which are located in spacedrela-- tion to each other, the spacing being accomplished by horizontalwebs 3 and vertical ribs 4. The walls of these webs where they meet theapertures, are tapered as clearly seen in the sectional view. Thisconstruction enables the manufacture of a stave in which the aperturescan approach the edges 5 and 6 closer than they can in a construction inwhich only the horizontal formed in the stave 14% are square.

ribs are employed. This enables one to provide the increasedstrengthafiorded by the vertical ribs 4: without sacrificing the necessaryradiation to ventilate the crib properly. i I

As shown in the drawings, the stave is provided with grooves 7 in oneend and a convex portion 8 at the otherend, a similar construction beingemployed on the vertical edges 5 and 6. In Fig. 3 I have shown a view ofa portion of the wall or" the silo,the

staves being held in position'by tightening bands 9 and 10 which may bedrawn together in any suitable or convenient manner so as to hold thestaves securely in position.

In the modified form shown in Fig. i, the apertures 11 shown in thestave 12 are round but they also are tapered as clearly seen in Fig. 5.In Fig. 7 the apertures 13 It will be apparent that these variations aremerely such as may be desired to suit or meet particular conditions orlocalities in which the crib is being erected, but that they areentirely within the scope of my invention as described in thehereinafter contained claims.

In this form of stave, I have shown a broken joint of the end acrosswhich the connecting bands 9 and 10 pass, as it will be obvious that noparticular form of construction, as far as the edges of the stave areconcerned, is essential to the successful opera tion of my invention, itbeing designed to permit of the construction of a very large stave whichis capable of withstanding extraordinarily heavy pressure withoutcollapsing, and yet insuring sufficient ventilation to accomplish thedesired result.

I do not here claim anything shown, described or claimed in UnitedStates Letters Patent No. 1,390,994 granted September 20,

1921 on my copending application No.

Having described my invention what I regard'as new and desire to secureby Letters Patent is:

1. In a cement stave for corn cribs, having a plurality of aperturestherein, a vertical and longitudinal'web intermediate said apertures, aportion of which web forms a wall of said apertures, the walls of theapertures tapering from one surface to the other so that the opening atone surface of the stave is smaller than the opening at the other.

2. In a cement stave for corn cribs having a plurality of squareapertures therein, a vertical and longitudinal web intermediate saidapertures, a portion of which web forms a Wall of said apertures, thewalls of the apertures tapering from one surface to-the other so thatthe opening. at one surface of the stave is smaller than the opening atthe other.

3. In a cement stave for corn cribs having a plurality of rectangularapertures therein, a vertical and longitudinal web inter mediate saidapertures, a portion ot which web forms a Wall of said apertures thewalls of the apertures tapering from one surface to the other so thatthe opening at one surface of the stave is smaller than the opening atthe other. I

4. In a cement stave comprising a slabot' concrete having a plurality ofapertures separated vertically and longitudinally by webs terminating inthe outer solid walls of the stave said webs being strength givingmembers to the stave the upper walls of the longitudinal webs slantingdownwardly and outwardly being means to shed rain or the like.

5. A cement stave comprising a slab of concrete having aplurality ofapertures HARRY BERNARD J ONES.

